Create db.js

db.js

@@ -0,0 +1,44 @@
+"use strict";
+const Database = require("better-sqlite3");
+const path = require("path");
+
+const dbPath = path.resolve(__dirname, "bot_data.db");
+const db = new Database(dbPath);
+
+// Initialize tables
+db.exec(`
+  CREATE TABLE IF NOT EXISTS rosters (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    team TEXT NOT NULL,
+    user_tag TEXT NOT NULL,
+    role TEXT NOT NULL,
+    added_at TEXT NOT NULL DEFAULT (datetime('now'))
+  );
+  CREATE INDEX IF NOT EXISTS idx_rosters_team ON rosters(team);
+`);
+
+module.exports = {
+  addRoster(team, userTag, role) {
+    const stmt = db.prepare("INSERT INTO rosters (team, user_tag, role) VALUES (?, ?, ?)");
+    stmt.run(team, userTag, role);
+  },
+
+  getRosters() {
+    const rows = db.prepare("SELECT * FROM rosters ORDER BY team, role").all();
+    // Group by team
+    const teams = {};
+    rows.forEach(row => {
+      if (!teams[row.team]) teams[row.team] = [];
+      teams[row.team].push({
+        user: row.user_tag,
+        role: row.role,
+        addedAt: row.added_at
+      });
+    });
+    return teams;
+  },
+
+  getAllRaw() {
+    return db.prepare("SELECT * FROM rosters").all();
+  }
+};